Troubleshooting all HVAC CIRCUIT BOARDS! Methodology and Procedures Used in the Field!
17:26
YouTubeAC Service Tech LLC
Troubleshooting all HVAC CIRCUIT BOARDS! Methodology and Procedures Used in the Field!
In this HVACR Training Video, I show my Methodology for Diagnosing Problems with any Type of HVAC Control Board! I give Tips, the Approach, a Sequence for Testing, Multimeter Test Locations, and What to Look Out for When Troubleshooting Intermittent Issues! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and ...
308.1K viewsJun 25, 2022
AC Service Tech LLC: Most Viewed Videos
Full Installation of Mini Split Ductless Unit, Step by Step!
1:28:33
Full Installation of Mini Split Ductless Unit, Step by Step!
YouTubeAC Service Tech LLC
2.4M viewsAug 29, 2020
Electric Expansion Valve (EEV) Operation and Testing! HVAC Metering Device Training!
16:34
Electric Expansion Valve (EEV) Operation and Testing! HVAC Metering Device Training!
YouTubeAC Service Tech LLC
2.3M viewsJan 7, 2023
TOP 10 Reasons Why the Gas Pilot Light Goes Out & Won't Stay Lit!
10:43
TOP 10 Reasons Why the Gas Pilot Light Goes Out & Won't Stay Lit!
YouTubeAC Service Tech LLC
2M viewsNov 7, 2018
Shorts
Variable & Two Stage Scroll Compressors With Copeland!
3:00
16.7K views
Variable & Two Stage Scroll Compressors With Copeland!
AC Service Tech LLC
Demonstrating The DRX3 All-In-One Leak Detector From Fieldpiece!
1:58
14.7K views
Demonstrating The DRX3 All-In-One Leak Detector From Fieldpiece!
AC Service Tech LLC
Top videos
Refrigeration Cycle Of An Air Conditioner Using R-32 Temps! HVAC Training!!
21:23
Refrigeration Cycle Of An Air Conditioner Using R-32 Temps! HVAC Training!!
YouTubeAC Service Tech LLC
7K views1 month ago
Charging R-410A Refrigerant into an Air Conditioner! Pressures, Temps, Tips!
27:56
Charging R-410A Refrigerant into an Air Conditioner! Pressures, Temps, Tips!
YouTubeAC Service Tech LLC
1.9M viewsJul 3, 2021
Troubleshooting Indicators for a Liquid Line Restriction, Low Airflow, Low Charge! Check the Charge!
9:58
Troubleshooting Indicators for a Liquid Line Restriction, Low Airflow, Low Charge! Check the Charge!
YouTubeAC Service Tech LLC
261.8K viewsJul 23, 2022
Latest From AC Service Tech LLC
Mini VRF vs Multi Zone Mini Split Systems!
2:39
Mini VRF vs Multi Zone Mini Split Systems!
YouTubeAC Service Tech LLC
12.9K views1 week ago
Total External Static Pressure Measurement Points!
2:41
Total External Static Pressure Measurement Points!
YouTubeAC Service Tech LLC
11.7K views2 weeks ago
Answering Your Questions About The HVAC Academy!! Do We Offer Certifications With Our Courses?
0:50
Answering Your Questions About The HVAC Academy!! Do We Offer Certifications With Our Courses?
YouTubeAC Service Tech LLC
7.2K views3 weeks ago
Refrigeration Cycle Of An Air Conditioner Using R-32 Temps! HVAC Training!!
21:23
Refrigeration Cycle Of An Air Conditioner Using R-32 Temps! H…
7K views1 month ago
YouTubeAC Service Tech LLC
Charging R-410A Refrigerant into an Air Conditioner! Pressures, Temps, Tips!
27:56
Charging R-410A Refrigerant into an Air Conditioner! Pressures, Temp…
1.9M viewsJul 3, 2021
YouTubeAC Service Tech LLC
Troubleshooting Indicators for a Liquid Line Restriction, Low Airflow, Low Charge! Check the Charge!
9:58
Troubleshooting Indicators for a Liquid Line Restriction, Low Airflo…
261.8K viewsJul 23, 2022
YouTubeAC Service Tech LLC
Explaining Superheat and Subcooling to Your Apprentice!
14:14
Explaining Superheat and Subcooling to Your Apprentice!
810.2K viewsMar 14, 2020
YouTubeAC Service Tech LLC
HVAC PUMP DOWN Procedure of Air Conditioner! STEP by STEP!
8:54
HVAC PUMP DOWN Procedure of Air Conditioner! STEP by STEP!
465.7K viewsSep 1, 2018
YouTubeAC Service Tech LLC
Full Installation of Mini Split Ductless Unit, Step by Step!
1:28:33
Full Installation of Mini Split Ductless Unit, Step by Step!
2.4M viewsAug 29, 2020
YouTubeAC Service Tech LLC
HVAC Training Academy with Certifications For Beginners & Experienced Technicians!
2:05
HVAC Training Academy with Certifications For Beginners & Ex…
727K views4 months ago
YouTubeAC Service Tech LLC
15:09
HVAC Full Vacuum Procedure From Start to Finish!
839.9K viewsMay 30, 2018
YouTubeAC Service Tech LLC
20:00
Charging R-454B Into an Air Conditioner That is Slightly Low o…
105.1K views10 months ago
YouTubeAC Service Tech LLC
1:32
Measuring the Refrigerant Level and Charging an Inverter Mini Split Uni…
30.6K views7 months ago
YouTubeAC Service Tech LLC
2:50
HVAC Training Courses!
38.9K views4 months ago
YouTubeAC Service Tech LLC
1:15
Enroll In Online HVAC Training At The AC Service Tech Academy!
10.8K views1 month ago
YouTubeAC Service Tech LLC
1:05
New HVAC Training Book On Refrigerant Charging, Airflow, & T…
18.6K views10 months ago
YouTubeAC Service Tech LLC
1:05
The Importance of Removing Moisture From an Empty HVAC Sy…
2.4K views5 days ago
YouTubeAC Service Tech LLC
6:12
HVAC Training Basics for New Technicians and Students! Refrige…
1.3M viewsJul 16, 2022
YouTubeAC Service Tech LLC
21:42
HVAC System Basics and Terminology for New Technicians!
162.9K views1 year ago
YouTubeAC Service Tech LLC
15:36
Air Conditioner NOT Blowing Cold Air! Possible Problems Explained!
166.8K views9 months ago
YouTubeAC Service Tech LLC
48:50
Introduction to Commercial Boilers and Chillers!
11.6K views3 months ago
YouTubeAC Service Tech LLC
2:06
Why Are More & More Residential HVAC Technicians Installing Heat …
25 views4 weeks ago
YouTubeAC Service Tech LLC
20:52
Refrigerant Recovery Machine Hose Setups, Strategies, Tools, A2Ls, a…
30.9K viewsMar 29, 2025
YouTubeAC Service Tech LLC
1:39
AC Service Tech's Newest Podcast Episode!
4.8K views2 months ago
YouTubeAC Service Tech LLC
0:52
HVAC Training Course Additions! Mini Split Replacement Training! …
5.7K views3 months ago
YouTubeAC Service Tech LLC
2:41
Air Handlers Explained! For Air Conditioners & Heat Pumps!
30.9K views8 months ago
YouTubeAC Service Tech LLC
4:35
Refrigeration Cycle Tutorial: Step by Step, Detailed and Concise!
1.2M viewsAug 28, 2016
YouTubeAC Service Tech LLC
11:42
Finding Low Voltage Shorts Fast! HVAC Troubleshooting!
640K viewsDec 5, 2020
YouTubeAC Service Tech LLC
10:23
HVAC Multimeter Basics: Measuring Electrical Resistance vs Continuit…
247.4K viewsJul 29, 2023
YouTubeAC Service Tech LLC
15:39
Air Handler with Electric Strip Heating: Operation and Troublesh…
613.3K viewsJan 26, 2020
YouTubeAC Service Tech LLC
24:37
Refrigerant Recovery Training! Tips, Problems, Best Practices, Setup!
150.6K viewsFeb 20, 2021
YouTubeAC Service Tech LLC
8:17
How Refrigerant Works in an Air Conditioner! HVAC Technician Tra…
63.2K viewsDec 19, 2020
YouTubeAC Service Tech LLC
See more videos
Static thumbnail place holder

Short videos

3:00
Variable & Two Stage Scroll Compressors With Copeland!
16.7K views2 weeks ago
YouTubeAC Service Tech LLC
1:58
Demonstrating The DRX3 All-In-One Leak Detector From Fieldpiece!
14.7K views3 weeks ago
YouTubeAC Service Tech LLC
2:55
What Factors Lead to Scroll Compressor Failure!
13.7K views1 month ago
YouTubeAC Service Tech LLC
1:15
Enroll In Online HVAC Training At The AC Service Tech Academy!
10.8K views1 month ago
YouTubeAC Service Tech LLC
1:22
Expert AC Technician Services for Home Comfort
220.2K views2 months ago
TikTokhamzacollingcenter
0:23
Mini Split Stand Vibration Isolators Explained!
7.2K views1 month ago
YouTubeAC Service Tech LLC
0:33
NEW HVAC Multimeter Training Course! Electrical Training From The HVAC
2.1K views3 weeks ago
YouTubeAC Service Tech LLC
2:06
Why Are More & More Residential HVAC Technicians Installing Heat Pumps?
25 views4 weeks ago
YouTubeAC Service Tech LLC
0:59
Who are These Courses Designed For In Our HVAC Online Academy?
1 month ago
YouTubeAC Service Tech LLC
2:41
Total External Static Pressure Measurement Points!
11.7K views2 weeks ago
YouTubeAC Service Tech LLC
1:14
Hearing Microleaks With The Accutrak Ultrasonic Leak Detector!!
21K views3 weeks ago
YouTubeAC Service Tech LLC
0:50
Answering Your Questions About The HVAC Academy!! Do We Offer Certifications
7.2K views3 weeks ago
YouTubeAC Service Tech LLC
1:10
Demonstrating The Malco TurboShear Cutter!
27K views3 weeks ago
YouTubeAC Service Tech LLC
0:49
Do We Offer Longer Sequential Courses In The HVAC Academy?
6.2K views1 month ago
YouTubeAC Service Tech LLC
2:17
Digital Torque Wrench Setup & Use For HVAC Refrigerant Tube Flares!
28.2K views4 months ago
YouTubeAC Service Tech LLC
0:40
Exploring The Quick-Sling Aluminum Mini Split Stand!
16.2K views1 month ago
YouTubeAC Service Tech LLC
1:16
New HVAC Podcast Episode! Vacuum Pump Operation, Maintenance, & Concerns!!
21.5K views2 months ago
YouTubeAC Service Tech LLC
2:46
How Often Should You Replace the Vacuum Pump Oil?
8.4K views1 month ago
YouTubeAC Service Tech LLC
0:47
Copeland Scout Feature Explained!
5.8K views2 months ago
YouTubeAC Service Tech LLC
2:59
Press Valve Options from Viega!
9.8K views2 months ago
YouTubeAC Service Tech LLC